delivering unmatched stability for high-lift and high-RPM applications

but is an "F" series design

This keeps fuel temperatures lower and prevents cavitation

these flywheels undergo Type 3 hard coat anodizing

State of the art motorsport technology enables better performance on the streets

BMW M40 / M42 / M43 / M44 Connecting Rod Bolts by ARP B58 BMW delivering unmatched stability for high-liftBolster your BMW M40 M42 M43 M44 rods with ARP Connecting Rod Boltsthe ultimate choice for strength, reliability, and high performance durability. Crafted in the USA by Automotive Racing Products (ARP), these bolts are engineered to surpass OEM rod bolts, making them essential for demanding applications. Perfect for rebuilds or performance engine preparation, ARP rod bolts deliver confidence under extreme conditions. Manufactured from premium